Spiral Leaky-Wave Antennas Based on Modulated Surface Impedance

By Gabriele Minatti, F. Caminita, Massimiliano Casaletti, Stefano Maci. IEEE Transactions on Antennas and Propagation, 2011

295 citations recorded by the source corpus.

Subfields: Aerospace Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/c66c98f178dedbb294a093713f4b952c142995ea

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Citations in the corpus

A Metasurfaces Review: Definitions and Applications (2019, methodology): “Metasurfaces have been successfully used to design and manufacture high gain holographic antennas [86,87].”
Design of Scalar Impedance Holographic Metasurfaces for Antenna Beam Formation With Desired Polarization (2015, methodology): “Typical values of εa of these type of HAISs range between 0% and 20%, as indicated in [14].”
A review of metasurfaces: physics and applications (2016, unknown): “polarized far-eld radiation propagating along 45direction (gure 21(d) and (f)). Maci and colleagues used the same holographic principle to demonstrate metasurfaces with modulated surface impedance [153,154]. They used square patch antennas of dierent sizes to create a spiral distribution of surface ”
Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions (2022, methodology): “The authors of [157] later implemented a circularly polarized HMIMOS by patterning a spiral like surface impedance.”
Analysis of a Waveguide-Fed Metasurface Antenna (2017, background): “Even in cases where little or no additional phase shift is obtained from the elements, the metasurface aperture can nevertheless achieve high-quality beam forming and other wavefront shaping functionality by sampling the phase of the reference wave, often rivaling the performance of more advanced ac”
Electronically Steerable 1-D Fabry-Perot Leaky-Wave Antenna Employing a Tunable High Impedance Surface (2012, background): “D LWAs), which is usually achieved by sweeping the frequency of the input microwave signal [1]–[3].”
Sinusoidally Modulated Graphene Leaky-Wave Antenna for Electronic Beamscanning at THz (2013, methodology): “where is the propagation constant of the space harmonic, is a free space wavelength and is assumed much smaller than [24].”
Modulated Metasurface Antennas for Space: Synthesis, Analysis and Realizations (2015, background): “In [3] the antenna is constituted by a spiral-shape modulated surface impedance, excited at the centre by a TM source feed.”
A Circularly-Polarized Isoflux Antenna Based on Anisotropic Metasurface (2012, background): “This phenomenon, recently denoted “metasurfing” [5], [6], can produce high-gain pencil beam with circularly polarized radiation [6], [5].”
Metasurfing: Addressing Waves on Impenetrable Metasurfaces (2011, background): “In a recent paper of our group [18], spiral planar circularly polarized MTS’ng leaky antennas have been introduced.”